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Hasil cari dari kata atau frase: Native paraffin (0.01049 detik)
Found 1 items, similar to Native paraffin.
English → English (gcide) Definition: Native paraffin Paraffin \Par"af*fin\ (p[a^]r"[a^]f*f[i^]n), Paraffine \Par"af*fine\ (p[a^]r"[a^]f*f[i^]n or p[a^]r"[a^]f*f[=e]n), n. [F. paraffine, fr. L. parum too little + affinis akin. So named in allusion to its chemical inactivity.] (Chem.) A white waxy substance, resembling spermaceti, tasteless and odorless, and obtained from coal tar, wood tar, petroleum, etc., by distillation. It is used in candles, as a sealing agent (such as in canning of preserves), as a waterproofing agent, as an illuminant and as a lubricant. It is very inert, not being acted upon by most of the strong chemical reagents. It was formerly regarded as a definite compound, but is now known to be a complex mixture of several higher hydrocarbons of the methane or marsh-gas series; hence, by extension, any substance, whether solid, liquid, or gaseous, of the same chemical series; thus gasoline, coal gas and kerosene consist largely of paraffins. [1913 Webster +PJC] Note: In the present chemical usage this word is spelled paraffin, but in commerce it is commonly spelled paraffine. [1913 Webster] Native paraffin. See Ozocerite. Paraffin series. See Methane series, under Methane. [1913 Webster]

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